Four people are being questioned by police after a stabbing in Colchester in which a 17-year-old boy died.
Jay Whiston was attacked at a house party on Marlowe Way just after 10pm on Saturday 8 September. He died a short time later in hospital.
Detectives arrested three men and one woman at a house in the Colchester area just after 6am this morning.
A 51-year-old man, an 18-year-old man and a 42-year-old woman from the Colchester area and a 17-year-old girl from Clacton are being questioned by detectives at a police station in north Essex.